WO2007008439A3 - Active geophysical prospecting system - Google Patents

Active geophysical prospecting system Download PDF

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Publication number
WO2007008439A3
WO2007008439A3 PCT/US2006/025361 US2006025361W WO2007008439A3 WO 2007008439 A3 WO2007008439 A3 WO 2007008439A3 US 2006025361 W US2006025361 W US 2006025361W WO 2007008439 A3 WO2007008439 A3 WO 2007008439A3
Authority
WO
WIPO (PCT)
Prior art keywords
received
transmitted
electromagnetic waves
prospecting point
geological
Prior art date
Application number
PCT/US2006/025361
Other languages
French (fr)
Other versions
WO2007008439A2 (en
Inventor
David Gary Meyer
Original Assignee
David Gary Meyer
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by David Gary Meyer filed Critical David Gary Meyer
Publication of WO2007008439A2 publication Critical patent/WO2007008439A2/en
Publication of WO2007008439A3 publication Critical patent/WO2007008439A3/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/12—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with electromagnetic waves

Abstract

An active system and method for determining the physical characteristics and geological composition of subterranean formations is described. Plane polarized electromagnetic waves at specific frequencies are transmitted by a mobile transmitting antenna held stationary in the far-field about a prospecting point. The plane polarized electromagnetic waves penetrate the Earth and return to the surface to be picked up at a separate mobile receiving antenna held stationary about a prospecting point. The differences in intensity and polarization between transmitted and received waves are measured and carry geological information. Further, a coordinated series of transmissions, receptions, and measurements are made, in which the angle of incidence and the revolution angle about a centerline emanating perpendicularly from the prospecting point are carefully and systematically varied and repeated for a specific set of frequencies. The entire data set is processed to give stratigraphy and geological composition in three-dimensions including, for example, the location of commercially important ore deposits or reservoirs of oil and gas. The transmission time, the reception time, and/or the data window are controlled to minimize the ionospheric effect. The method seeks the steady, repeatable part of a received signature and changes in the received signal for two or more identical probing transmissions are filtered out, as unwanted noise. The system employs a frequency/time duality for not resolving deep features to the same detail as shallow features.
PCT/US2006/025361 2005-07-08 2006-06-27 Active geophysical prospecting system WO2007008439A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/177,372 US7262602B2 (en) 2005-07-08 2005-07-08 Active geophysical prospecting system
US11/177,372 2005-07-08

Publications (2)

Publication Number Publication Date
WO2007008439A2 WO2007008439A2 (en) 2007-01-18
WO2007008439A3 true WO2007008439A3 (en) 2007-12-21

Family

ID=37617730

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/025361 WO2007008439A2 (en) 2005-07-08 2006-06-27 Active geophysical prospecting system

Country Status (2)

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US (1) US7262602B2 (en)
WO (1) WO2007008439A2 (en)

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US8253619B2 (en) 2005-02-15 2012-08-28 Techtronic Power Tools Technology Limited Electromagnetic scanning imager
US7679546B2 (en) * 2006-09-20 2010-03-16 Techtronic Power Tools Technology Limited Apparatus and method of determining location of an object
US9187532B2 (en) * 2006-07-21 2015-11-17 Novo Nordisk A/S Glycosylation of peptides via O-linked glycosylation sequences
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US7504984B1 (en) * 2007-03-30 2009-03-17 The United States Of America As Represented By The Secretary Of The Air Force Large scale imaging with spatially-coded waveforms
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EP2598915B1 (en) 2010-07-27 2018-11-07 Exxonmobil Upstream Research Company Inverting geophysical data for geological parameters or lithology
EP2606452A4 (en) 2010-08-16 2017-08-16 Exxonmobil Upstream Research Company Reducing the dimensionality of the joint inversion problem
US8482452B2 (en) * 2010-08-26 2013-07-09 Lawrence Livermore National Security, Llc Synthetic aperture integration (SAI) algorithm for SAR imaging
US8884805B2 (en) 2011-04-19 2014-11-11 Raytheon Company Systems and methods for mapping the crust of the earth
US9453929B2 (en) 2011-06-02 2016-09-27 Exxonmobil Upstream Research Company Joint inversion with unknown lithology
EP2721478A4 (en) 2011-06-17 2015-12-02 Exxonmobil Upstream Res Co Domain freezing in joint inversion
WO2013012470A1 (en) 2011-07-21 2013-01-24 Exxonmobil Upstream Research Company Adaptive weighting of geophysical data types in joint inversion
US8912943B2 (en) * 2011-12-05 2014-12-16 AMI Research & Development, LLC Near field subwavelength focusing synthetic aperture radar with chemical detection mode
CN103048691B (en) * 2013-01-05 2016-02-24 江苏大学 A kind of little loop line TEM mountainous region lay out and measuring point method for homing
US10591638B2 (en) 2013-03-06 2020-03-17 Exxonmobil Upstream Research Company Inversion of geophysical data on computer system having parallel processors
US9846255B2 (en) 2013-04-22 2017-12-19 Exxonmobil Upstream Research Company Reverse semi-airborne electromagnetic prospecting
US9240628B2 (en) 2013-06-11 2016-01-19 Elwha Llc Multi-elevational antenna systems and methods of use
US9229103B2 (en) 2013-06-11 2016-01-05 Elwha Llc Multi-elevational antenna systems and methods of use
US9231296B2 (en) * 2013-06-11 2016-01-05 Elwha Llc Multi-elevational antenna systems and methods of use
US10007996B2 (en) 2015-03-02 2018-06-26 Lawrence Livermore National Security, Llc System for detecting objects in streaming 3D images formed from data acquired with a medium penetrating sensor
US11796580B2 (en) 2017-04-21 2023-10-24 The Board Of Regents Of The University Of Oklahoma Apparatus and method(s) for wet radome characterization and radar calibration
RU2656287C1 (en) * 2017-06-05 2018-06-04 Федеральное государственное бюджетное образовательное учреждение высшего образования "Поволжский государственный университет телекоммуникаций и информатики" (ФГБОУ ВО ПГУТИ) Method for remote searching of underground communications location and determination of their lateral dimension and occurrence depth in the ground
CN107655460A (en) * 2017-08-07 2018-02-02 熊学军 The mesoscale eddy observation procedure of underwater glider
CN111708094B (en) * 2020-07-20 2023-04-18 核工业北京地质研究院 Sandstone-type uranium ore sand body identification method and system based on wide-area electromagnetic method
CN112114367B (en) * 2020-09-25 2023-05-26 中国人民解放军海军工程大学 Method for detecting electrical interface in sea area by utilizing active electric field
CN113419288B (en) * 2021-05-29 2023-06-06 湖南科技大学 Data detection and pretreatment method for inversion of underground shelter
TWI769076B (en) * 2021-09-08 2022-06-21 國立臺灣科技大學 Method for measuring environmental electromagnetic field

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Also Published As

Publication number Publication date
US7262602B2 (en) 2007-08-28
WO2007008439A2 (en) 2007-01-18
US20070007966A1 (en) 2007-01-11

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